1705-14 is a straight, male, SHV bulkhead jack with a frequency of 300MHz. Nominal impedance is non-constant and voltage rating is 3500Vrms. Insulator is made of teflon; gasket is silicone rubber; spring washer and outer/center contacts are berrylium copper; all other metal parts are brass. Center contact is in gold plating finish;spring washer is silver plated; and all other metal parts are in Kings tarnish resistant finish. This product has quick connect & disconnect bayonet coupling design. Outer contact ground connection is maintained through the center contact mating cycle. Recessed center contacts prevent shock hazards while unmated.